JOHN R CHALISON MD A MEDICAL CORPORATION
NPI 1063459477
Internal Medicine - Pulmonary Disease in Los Angeles, CA

NPI Status: Active since June 02, 2006

Contact Information

616 WITMER ST
LOS ANGELES, CA
ZIP 90017
Phone: (213) 977-2121

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  • Organization
  • Internal Medicine
  • Pulmonary Disease

About JOHN R CHALISON MD A MEDICAL CORPORATION

This page provides the complete NPI Profile along with additional information for John R Chalison Md A Medical Corporation, an internist established in Los Angeles, California operating as a Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1063459477 assigned on June 2006. The practitioner's primary taxonomy code is 207RP1001X. The provider is registered as an organization and their NPI record was last updated 8 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is John R Chalison Md (Owner)

NPI
1063459477
Provider Name
JOHN R CHALISON MD A MEDICAL CORPORATION
Entity Type
Organization
Location Address
616 WITMER ST LOS ANGELES, CA 90017
Location Phone
(213) 977-2121
Mailing Address
PO BOX 7096 STOCKTON, CA 95267
Mailing Phone
(209) 956-7725
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-02-2006
Last Update Date
05-11-2018
Code Navigator

An internist like John R Chalison Md A Medical Corporation is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 2131 W 3rd St
    Los Angeles, CA 90057
    (213) 484-7111

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JOHN R CHALISON MD

Authorized Official Title
OWNER
Authorized Official Phone
(213) 977-2121

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
GR0058510MEDICAID (05)CA 

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1063459477, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 4 → 8 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 1 + 2 + 3 + 8 + 5 + 1 + 8 + 4 + 1 + 4 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1063459477.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dietitian, Registered
616 WITMER ST
LOS ANGELES, CA 90017

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1063459477, enumerated as an "organization" on June 02, 2006.

The provider is located at 616 WITMER ST LOS ANGELES, CA 90017 and the phone number is (213) 977-2121.

Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.